javascript中对button（对象）的disabled属性的控制示例

function enableOrDisableTimer(paramSwtich) {
   //alert(paramSwtich);
   if (paramSwtich=="true") {
    var strUrl="<%=strContext%>/yourBusinessMethod.do?method=controlInManual&type=true";
    if (confirm("确认要启动定时器吗？")) {
    var objBtEnableTimer = document.getElementById("btEnableTimer");
    var objBtDisableTimer = document.getElementById("btDisableTimer");
    objBtEnableTimer.disabled="true";
    objBtDisableTimer.disabled="";
    this.openNewWindow(strUrl);
    }
   }
   if (paramSwtich=="false") {
    var strUrl="<%=strContext%>/yourBusinessMethod.do?method=controlInManual&type=false";
    if (confirm("确认要停止定时器吗？")) {
    var objBtEnableTimer = document.getElementById("btEnableTimer");
    var objBtDisableTimer = document.getElementById("btDisableTimer");
    objBtEnableTimer.disabled="";
    objBtDisableTimer.disabled="true";
    this.openNewWindow(strUrl);
    }
   }
   return;
}

<td align="left" nowrap>
   <br>
   1、<input type="button" name="btDisableTimer" value="停止定时器" onClick="enableOrDisableTimer('false');"/>

   <br><br><br>
    2、<input type="button" name="btEnableTimer" value="启动定时器" onClick="enableOrDisableTimer('true');" disabled="true"/>  
   </td>